“So stop pretending that you are tough and just admit that you are afraid. And I thought you were man enough to step up in the octagon with me again, my mistake,” he wrote. “Unfortunately looks like we will not be delivering to the fans the fight they want to see. Happy retirement, you must be feeling amazing leaving the sport thru the back door.

“To be a legend is not to everyone!”

The two meet back in 2013, with Belfort landing that head-kick that resulted in a second round TKO victory and a detached retina for Bisping. The former UFC middleweight champion has voiced his own displeasure with Belfort’s use of TRT during that fight.